fixup! Allow the guest to manage its own stack

syntactically · syntactically · commit 05fc2a521d74 · 2026-02-03T16:53:25.000Z
Revert a change to the snapshot hashing

Signed-off-by: Lucy Menon &lt;168595099+syntactically@users.noreply.github.com&gt;
diff --git a/src/hyperlight_host/src/sandbox/snapshot.rs b/src/hyperlight_host/src/sandbox/snapshot.rs
@@ -147,6 +147,8 @@ fn hash(memory: &[u8], regions: &[MemoryRegion]) -> Result<[u8; 32]> {
         // Ignore [`MemoryRegion::region_type`], since it is extra
         // information for debugging rather than a core part of the
         // identity of the snapshot/workload.
+        hasher.update(&usize::to_le_bytes(guest_len));
+        hasher.update(&u32::to_le_bytes(rgn.flags.bits()));
     }
     // Ignore [`load_info`], since it is extra information for
     // debugging rather than a core part of the identity of the

Original file line number	Diff line number	Diff line change
`@@ -147,6 +147,8 @@ fn hash(memory: &[u8], regions: &[MemoryRegion]) -> Result<[u8; 32]> {`
`147`	`147`	// Ignore [`MemoryRegion::region_type`], since it is extra
`148`	`148`	`// information for debugging rather than a core part of the`
`149`	`149`	`// identity of the snapshot/workload.`
	`150`	`+ hasher.update(&usize::to_le_bytes(guest_len));`
	`151`	`+ hasher.update(&u32::to_le_bytes(rgn.flags.bits()));`
`150`	`152`	`}`
`151`	`153`	// Ignore [`load_info`], since it is extra information for
`152`	`154`	`// debugging rather than a core part of the identity of the`